FYI: The fastest solution mentioned at the problem description uses a lookup-table. Don't beat yourself too much.
Hello, William. I like very much the originality & especially the efficiency of your approach here. Am I correct in thinking that the existing code would struggle to correctly decode a message that was encoded from (say) "Beware of the Sasquatch Man's involvement in Operation Phoenix"? [I don't want to explain this, to avoid giving too many clues to others. But I hope you get my point.] Although I am confident you could tweak your code (if necessary) to handle such cases. —DIV
Omit columns averages from a matrix
Determine if input is a Narcissistic number
Find the 9's Complement
Return fibonacci sequence do not use loop and condition
Curve fitting (linear functions) & function handles
Add all the numbers between two limits (inclusive)
Comparison of floating-point numbers (doubles)
"Percentages may not total 100 due to rounding"
Is input the global variable z?
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